Improvement in treadles



desired.

UNITED STATES PATENT OFFICE.

M.'DE ROY SPAULDING, or CHICAGO, ILLINOIS.

lMPRQVE-MENTIN TREADLES.

Specification forming part of Letters Patent No. 174.163. dated February29, 1876; application filed November 30, 1875.

To all whom it may concern Be it lgnown that I, M. DE ROY SPAULDING,

lowing is a full description, reference being had to the accompanyingdrawings, in which.' ,Figure l is a top or plan view; Fig. 2, a sideview.

cushion or pad to a treadle.

In the drawings, A represents a double treadle; B, the ears by which itispivoted to or supported on a bearing bar or rod; 0, the arm forattaching a pitman or other connection; a, the rubber or elasticsections inserted into the body of the treadle, and bthe hole in whichthe sections are inserted. V

In theform shown the treadle is double; it may, however, be made doubleor single, as

The rubbers a are cut from cylindrical rubber strips, and are insertedby being pressed through holes b, which are rimmed out to enable therubbers to be properly inserted,

jar in reversing the movement; that it prevents the foot from slipping,and that it gives a slight additional impulse to that given by the foot.My invention consists in applying an elastic Theform shown is an easyand durable way of applying rubber to a sewing-machine treadle, forwhich usethe form shown is designed; but the. elastic cushion may beapplied to treadles for foot-lathes and other devices.

What-I claim as new, and desire to secure by Letters Patent, is asfollows:

In a treadle, the elastic cylindrical sections a, inserted through theholes b, substantially as specified.

M. DE ROY SPAULDING.

Witnesses:

E. A. WEST, O. W. BOND.

